# Suppression Summary: Attenuation of Z₁ by Capital Intensity

| Sample | Z₁ baseline | p | Z₁ + K/Y | p | Attenuation % | Interpretation |
|:---|---:|---:|---:|---:|---:|:---|
| Full | 7.04 | 0.5886 | 49.24*** | 0.0000 | -599.0% | Amplification (non-OECD composition) |
| OECD | -42.01 | 0.1207 | 16.64 | 0.4617 | 139.6% | Suppression (two opposing channels) |
| Non-OECD | -0.82 | 0.9594 | 47.40*** | 0.0011 | 5858.7% | Mediation |
| Eurozone | -132.34*** | 0.0025 | -3.06 | 0.9472 | 97.7% | Mediation |
| OECD Float | -11.81 | 0.7162 | 44.45 | 0.1643 | 476.4% | Mediation |
| EZ Core | -15.19 | 0.8592 | 21.51 | 0.7111 | 241.6% | Mediation |
| EZ Periphery | -265.81** | 0.0145 | -47.92 | 0.5931 | 82.0% | Mediation |

*Attenuation = (baseline − mediated) / baseline × 100.*
*Positive = mediation (K/Y absorbs Z effect). Negative = amplification (K/Y acts as suppressor).*
*Baron & Kenny (1986) framework. Panel GLS with country and year FE.*